Home / 8,185.18-11,302.78-6,085.66

Finding the Fourth Proportional to 8,185.18, 11,302.78 and 6,085.66

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Solution

The fourth proportional to 8,185.18, 11,302.78 and 6,085.66 is: 8,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.18 : 11,302.78 = 6,085.66 : x
  2. Step 2: Convert to fraction form
    8,185.18/11,302.78 = 6,085.66/x
  3. Step 3: Cross multiply
    8,185.18x = 11,302.78 × 6,085.66
  4. Step 4: Simplify right side
    8,185.18x = 68,784,876.13
  5. Step 5: Solve for x
    x = 68,784,876.13/8,185.18
  6. Step 6: Final answer
    x = 8,403.59

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.